mitt romney and santorum are locked in a tight battle in ohio. it's the most critical of the super tuesday contests. >> we're counting up the delegates for the convention. it looks good and we're counting down the days until november and that looks even better. >> reporter: wins in virginia, vermont, and massachusets. evan glucal voters helped him win in tennessee and oklahoma. >> as it looks right now, we'll get at least a couple of gold medals and a whole pass full of silver medals. >> reporter: he wants voters to see him as the conservative candidate who can beat president obama. newt gingrich won in georgia. he needed a victory from the state he represented in congress to keep his campaign alive. >> i'm here, first of all, to say thank you to each and every one of you. you are the reason we survived every effort of the establishment to stop us. >> reporter: ron paul spoke to supporters in north dakota. >> are we going to win? >> yeah! >> we always win, right? >> reporter: the candidates will divide a total of 419 delegates up for grabs, more